By Scott Wyland (swyland@sfnewmexican.com)
Hydraulic fracturing has been contentious since it became more extensively used to burrow into underground rock formations to tap oil deposits that were previously inaccessible, partly because it has been linked to earthquakes.
Fracking, the common term for injecting fluid at high pressure into the Earth to break up rocky barriers, has been around since 1947. The practice has skyrocketed since the early 2000s, generating far more quakes in oil-rich regions like the Permian Basin.
Researchers at the University of California, Riverside say... Read more